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Finding the Fourth Proportional to 169,728, 254,592 and 58,920

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Solution

The fourth proportional to 169,728, 254,592 and 58,920 is: 88,380

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,728 : 254,592 = 58,920 : x
  2. Step 2: Convert to fraction form
    169,728/254,592 = 58,920/x
  3. Step 3: Cross multiply
    169,728x = 254,592 × 58,920
  4. Step 4: Simplify right side
    169,728x = 15,000,560,640
  5. Step 5: Solve for x
    x = 15,000,560,640/169,728
  6. Step 6: Final answer
    x = 88,380

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.